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qlogic: Deletion of unnecessary checks before two function calls 

The functions kfree() and vfree() perform also input parameter validation.
Thus the test around their calls is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Markus Elfring 2015-02-04 14:07:56 +01:00 committed by David S. Miller
parent adfde05166
commit 7061b2bdd6
2 changed files with 9 additions and 18 deletions
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24
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -294,9 +294,7 @@ int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
{
if (recv_ctx->sds_rings != NULL)
kfree(recv_ctx->sds_rings);
kfree(recv_ctx->sds_rings);
recv_ctx->sds_rings = NULL;
}
@ -1257,8 +1255,7 @@ qlcnic_check_options(struct qlcnic_adapter *adapter)
if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
if (fw_dump->tmpl_hdr == NULL ||
adapter->fw_version > prev_fw_version) {
if (fw_dump->tmpl_hdr)
vfree(fw_dump->tmpl_hdr);
vfree(fw_dump->tmpl_hdr);
if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
dev_info(&pdev->dev,
"Supports FW dump capability\n");
@ -2374,13 +2371,12 @@ void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter)
for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
if (tx_ring && tx_ring->cmd_buf_arr != NULL) {
if (tx_ring) {
vfree(tx_ring->cmd_buf_arr);
tx_ring->cmd_buf_arr = NULL;
}
}
if (adapter->tx_ring != NULL)
kfree(adapter->tx_ring);
kfree(adapter->tx_ring);
}
int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter,
@ -2758,13 +2754,9 @@ static void qlcnic_remove(struct pci_dev *pdev)
}
qlcnic_dcb_free(adapter->dcb);
qlcnic_detach(adapter);
if (adapter->npars != NULL)
kfree(adapter->npars);
if (adapter->eswitch != NULL)
kfree(adapter->eswitch);
kfree(adapter->npars);
kfree(adapter->eswitch);
if (qlcnic_82xx_check(adapter))
qlcnic_clr_all_drv_state(adapter, 0);
@ -2932,13 +2924,13 @@ void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
{
if (adapter->fhash.fmax && adapter->fhash.fhead)
if (adapter->fhash.fmax)
kfree(adapter->fhash.fhead);
adapter->fhash.fhead = NULL;
adapter->fhash.fmax = 0;
if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead)
if (adapter->rx_fhash.fmax)
kfree(adapter->rx_fhash.fhead);
adapter->rx_fhash.fmax = 0;

3
drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
View File

@ -1407,8 +1407,7 @@ void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter)
current_version = qlcnic_83xx_get_fw_version(adapter);
if (fw_dump->tmpl_hdr == NULL || current_version > prev_version) {
if (fw_dump->tmpl_hdr)
vfree(fw_dump->tmpl_hdr);
vfree(fw_dump->tmpl_hdr);
if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
dev_info(&pdev->dev, "Supports FW dump capability\n");
}